Description
4×6 Direct Thermal Shipping Labels – 500 Labels per Roll
Our 4×6 Direct Thermal Shipping Labels are designed for fast and convenient printing of shipping labels, parcel labels, barcodes and logistics information. Each label measures 100 x 150 mm (approximately 4 x 6 inches) and is supplied in rolls of 500 labels, making them a practical choice for e-commerce, warehouse, fulfillment and shipping operations.
Made from white direct thermal paper, these labels are designed for compatible direct thermal printers and do not require ink, toner or a thermal transfer ribbon. The heat-sensitive label surface produces the printed image when used with the appropriate direct thermal printing equipment, helping simplify everyday shipping label printing.
The labels feature a durable and water-resistant design for everyday shipping and handling applications. UNALILIA PACKAGING supplies direct thermal labels for wholesale and B2B customers, including e-commerce sellers, logistics companies, warehouses, fulfillment centers, packaging distributors and other commercial buyers.
Direct Thermal Shipping Label Specifications
- Product Type: Direct Thermal Shipping Label
- Label Size: 100 x 150 mm / 4 x 6 inches
- Material: Direct Thermal Paper
- Color: White
- Quantity: 500 Labels per Roll
- Printing Technology: Direct Thermal
- Ink or Toner Required: No
- Thermal Transfer Ribbon Required: No
- Features: Durable and Water Resistant
- Format: Roll Labels
- Applications: Shipping, E-commerce, Logistics, Warehousing and Fulfillment
- Supply Type: Wholesale / Bulk
Standard 4×6 / 100 x 150 mm Shipping Label Size
Each label measures 100 x 150 mm, approximately equivalent to the widely used 4 x 6 inch shipping label format. This size provides sufficient printing space for shipping addresses, tracking information, barcodes, order numbers and other logistics information commonly required on parcels.
Using both metric and imperial dimensions also makes these labels easier to identify for international buyers. Customers in the United States commonly search for 4×6 thermal shipping labels, while 100 x 150 mm is also widely recognized by packaging and logistics buyers in Australia, Singapore, Japan and other international markets.
Direct Thermal Printing – No Ink or Toner Required
These 4×6 thermal labels use direct thermal printing technology. The label surface is heat sensitive and is designed to create the printed image when exposed to heat from a compatible direct thermal printhead.
Because the printing process works directly with the thermal label material, there is no need for ink, toner or thermal transfer ribbon. This makes direct thermal labels a convenient option for businesses that print shipping labels regularly.
Before ordering, customers should confirm that their printer supports direct thermal media and that the label dimensions, roll configuration, core size and other relevant specifications are compatible with their equipment.
500 Thermal Shipping Labels per Roll
Each roll contains 500 direct thermal shipping labels. The roll format provides an organized and convenient supply of labels for businesses processing regular parcel and e-commerce shipments.
For warehouses, fulfillment centers and online sellers handling multiple orders, 500-label rolls can be stocked at individual packing stations and replaced as required. Bulk purchasing is also available for businesses with larger monthly shipping volumes.
White Direct Thermal Paper
The labels are manufactured from white direct thermal paper, providing a clean surface for printing shipping and logistics information. The white background helps printed text, barcodes and tracking information remain visually clear when printed correctly with compatible equipment.
Direct thermal paper is particularly suitable for applications where labels need to be printed quickly and used during shipping, inventory handling and logistics operations.
Durable and Water-Resistant Shipping Labels
Shipping labels are exposed to handling throughout packing, transportation and delivery. These direct thermal shipping labels are designed to provide durable and water-resistant performance for everyday logistics applications.
Water resistance can help the label withstand incidental moisture encountered during normal handling and transportation. However, because these labels are paper based, performance may vary depending on the amount and duration of water exposure, environmental conditions, application surface and printing conditions.
For applications involving demanding environments or prolonged exposure to moisture, we recommend testing the labels under actual operating and shipping conditions before placing a bulk order.
Ideal for E-commerce and Logistics
The 4×6 direct thermal label format is well suited to businesses that regularly prepare parcels and cartons for shipment. The blank label can be printed with the information required for individual orders, making it useful across a variety of logistics workflows.
Typical applications include:
- E-commerce shipping labels
- Parcel and package labels
- Shipping address labels
- Barcode and tracking labels
- Warehouse labels
- Fulfillment center operations
- Logistics and distribution labels
- Inventory identification
- Carton and package identification
Whether you operate an online store, fulfillment center, warehouse or logistics business, direct thermal roll labels provide a straightforward solution for everyday label printing requirements.
Blank Thermal Labels for Flexible Printing
These labels are supplied blank, allowing businesses to print variable information for each shipment. Depending on your shipping workflow, the printable content may include recipient addresses, sender information, tracking numbers, barcodes, order references and other logistics data.
The combination of a 4×6 label size and direct thermal printing technology makes this format particularly practical for high-volume shipping environments where labels need to be generated quickly for individual orders.
Compatible with Direct Thermal Label Printers
These labels are intended for use with compatible direct thermal label printers. Because printer specifications vary between manufacturers and models, buyers should confirm the required roll dimensions, core size, maximum roll diameter, sensing method and media specifications before ordering.
If you are sourcing labels for a specific thermal printer, provide the printer model and required label specifications when requesting a quotation. Our team can use this information to help evaluate the appropriate label configuration for your project.
Wholesale 4×6 Thermal Shipping Labels
UNALILIA PACKAGING supplies wholesale direct thermal shipping labels for e-commerce businesses, warehouses, logistics companies, fulfillment operations, packaging distributors and other B2B customers.
With 500 labels per roll, businesses can order according to their shipping volume and operational requirements. Bulk supply is available for customers requiring larger quantities for regular commercial use.
For distributors and businesses with ongoing label requirements, contact our team with your required quantity and specifications to discuss wholesale supply options.
Why Choose Our Direct Thermal Shipping Labels?
- Standard 4 x 6 inch / 100 x 150 mm label size
- Direct thermal paper
- No ink or toner required
- No thermal transfer ribbon required
- 500 blank labels per roll
- Clean white printable surface
- Durable and water-resistant design
- Suitable for e-commerce and logistics applications
- Wholesale and bulk supply for B2B buyers
UNALILIA PACKAGING supports customers in international markets including the United States, Australia, Singapore, Japan and other regions. Contact us for wholesale direct thermal labels and other labeling solutions for your packaging and shipping operations.
Request a Quote for 4×6 Direct Thermal Labels
Looking for a 4×6 direct thermal shipping label supplier? Contact UNALILIA PACKAGING for wholesale and bulk orders of 100 x 150 mm thermal labels.
Each roll contains 500 white direct thermal labels. Send us your required quantity, printer specifications and other packaging requirements to discuss a suitable solution for your business.
Frequently Asked Questions
What size are these thermal shipping labels?
Each label measures 100 x 150 mm, approximately 4 x 6 inches, making it suitable for common shipping, parcel and logistics labeling applications.
How many labels are included in one roll?
Each roll contains 500 blank direct thermal labels.
Do direct thermal labels require ink or toner?
No. Direct thermal printing uses a heat-sensitive label surface and does not require ink or toner when used with a compatible direct thermal printer.
Do I need a thermal transfer ribbon?
No. These are direct thermal labels, so a thermal transfer ribbon is not required.
Are these labels water resistant?
Yes. The labels are designed to provide water-resistant performance for everyday shipping and handling. Because they are paper based, we recommend testing them under your actual environmental conditions if significant moisture exposure is expected.
What can 4×6 direct thermal labels be used for?
They are suitable for shipping addresses, parcel identification, tracking information, barcodes, e-commerce fulfillment, warehouse operations and other compatible logistics labeling applications.
Will these labels work with my thermal printer?
Compatibility depends on your printer model and its media requirements. Please check the required label size, roll dimensions, core size and other specifications, or provide your printer information when requesting a quotation.
Can I order 4×6 thermal labels in bulk?
Yes. UNALILIA PACKAGING supplies direct thermal shipping labels for wholesale and bulk B2B orders. Contact us with your required quantity for quotation information.






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